Multitech ProxyServer MTPSR1-202ST, User Manual, Page: 113 / 142

Appendixes
113 MTPSR1-202ST
Description: Enter AT&K1<CR> to enable data compression mode. Since the Hi/fn TM algorithm
needs an error correction channel between the compression and decompression
processes, it can only work with error correction competence. V.120 is such a
protocol that can be used together with Hi/fn data compression. Enter AT&K0<CR>
to disable Data Compression mode.
&K0 Disable Data Compression mode
&K1 Enable Data Compression mode
Note: Data compression is not active in X.75 and ML-PPP protocols, but will be in
later firmware releases. The compression ratio for Hi/fn is typically 4:1. If you
presently have a Universal Asynchronous Receiver/Transmitter (UART) that is
compromising data throughputs, we recommend that it be replaced with a special I/O
card.
Command: %En
Function: Escape Sequence Options
Values: n = 0–5
Default: %E1 and %E4
Description: By default, the modem responds only to the +++ escape method. However, you can
use the %E command to set the modem to respond only to the <BREAK> method, to
respond to either the +++ or the <BREAK> method, or to ignore both methods and
not escape.
%E0 Modem won’t escape.
%E1 +++ escape method.
%E2 <BREAK> escape method.
%E3 Both +++ and <BREAK> escape methods.
%E4 Disable OK response to +++.
%E5 Enable OK response to +++.
%E1 %E5 ++ method and OK response to +++.
%E3 %E5 ++ or <BREAK> method and OK response to +++
Command: @P3=n
Function: Parity at Power-Up
Values: n = 0–4
Default: @P3=4 (None)
Description: Use this command only to set the type of parity the ProxyServer uses when it is
turned on. Once the ProxyServer receives an AT command from the computer, it
automatically adjusts to the parity the computer is using.
@P3=0 Odd
@P3=1 Even
@P3=2 Mark
@P3=3 Space
@P3=4 None
Command: @P4=n
Function: Data Bits
Values: n = 7 or 8
Default: @P4=8 (8 data bits)
Description: Use this command only to set the number of data bits the ProxyServer uses when it
is turned on. Once the ProxyServer receives an AT command from the computer, it
automatically adjusts to the number of data bits the computer is using.
@P4=7 7 data bits
@P4=8 8 data bits
Command: @P6=n
Function: Stop Bits
Values: n = 1 or 2
Default: @P6=1 (1 stop bit)